<div class="sidebar-header-wrapper">
    <input type="text" class="searchinput" />
    <i class="searchicon fa fa-search"></i>
        <div class="searchhelper"><?=Yii::t('menu','search desc')?></div>
</div>
<ul class="nav sidebar-menu">
    <?= $this->render('menu', ['menu'=>$menu])?>
</ul>